T2 relaxation times of the anterolateral femoral cartilage in patients after ACL-reconstruction with and without a deep lateral femoral notch sign

Publication date: Available online 11 July 2018Source: European Journal of RadiologyAuthor(s): Cyrus Behzadi, Goetz H. Welsch, Jan-Philipp Petersen, Bjoern P. Schoennagel, Peter Bannas, Michael G. Kaul, Gerhard Schoen, Josephine Berger-Groch, Gerhard Adam, Marc RegierAbstractPurposeTo quantitatively assess T2 relaxation times of the anterolateral femoral cartilage following anterior cruciate ligament (ACL)-reconstruction with and without a positive deep lateral femoral notch sign (DLNS) at post-traumatic MRI.Materials and MethodsIn 52 patients post-traumatic MRI as well as 12 months after ACL-rupture (ACLR) and surgical treatment were analysed. In 28 patients a positive DLNS was present at post-traumatic MRI.For quantitative analysis, T2 relaxation time measurements (7 TE: 10-70 ms) were performed at time of re-evaluation. Three polygonal ROIs encompassing the full cartilage layer were placed in the anterolateral femoral cartilage. Clinical assessment included Lysholm-Tegner-Activity-Score, Rasmussen's clinical score and modified Cincinnati-Rating-System-Questionnaire. Description and differences were calculated as means and confidence intervals of means, controlled for the cluster effect of person, if appropriate.ResultsIn patients with a positive DLNS after ACLR, relaxation times in the notch region were significantly prolonged compared to patients without a positive DLNS (Δ 7.4 ms, CI: 5.6 - 9.2; p-value
Source: European Journal of Radiology - Category: Radiology Source Type: research

Related Links:

The return to sport (RTS) and return to competition (RTC) after anterior cruciate ligament reconstruction (ACLR) in the recreational and professionnel sports population remains a challenge. Previous level of activity, associated injuries, the type of recon...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Economics of Injury and Safety, PTSD, Injury Outcomes Source Type: news
Individuals with an anterior cruciate ligament reconstruction (ACLR) demonstrate persistent alterations in walking gait characteristics even after completing traditional rehabilitation [1,2]. Evidence suggests that walking speed [3,4], alterations in kinetics and kinematics on the ACLR limb [5,6], and inter-limb asymmetries in these outcomes may contribute to poor long-term outcomes following ACLR [7,8]. Slower walking speed [3,4], less peak vertical ground reaction force (vGRF), [6] and lower vGRF loading rate [5] on the ACLR limb during walking associate with deleterious metabolic and compositional joint tissue outcomes ...
Source: Gait and Posture - Category: Orthopaedics Authors: Tags: Full length article Source Type: research
BACKGROUND: Few studies have evaluated the influence of anterior cruciate ligament (ACL) reconstruction on the outcome of cartilage repair. Hypothesis/Purpose: The purpose was to investigate the association between ACL reconstruction and functional outcome...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Economics of Injury and Safety, PTSD, Injury Outcomes Source Type: news
BACKGROUND: There is insufficient knowledge about the way that concomitant injuries affect the short-term likelihood of a return to a knee-strenuous sport after anterior cruciate ligament (ACL) reconstruction. Hypotheses/Purpose: The purpose was to study w...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Economics of Injury and Safety, PTSD, Injury Outcomes Source Type: news
Publication date: Available online 28 March 2018 Source:Sports Orthopaedics and Traumatology Author(s): Wolf Petersen, Sven Scheffler, Julian Mehl Für die Entwicklung der posttraumatischen Gonarthrose nach VKB-Ruptur spielen primäre und sekundäre Meniskusschäden eine wichtige Rolle. Eine persistierende, chronische Instabilität nach vorderer Kreuzbandruptur kann mittel- bis langfristig zu sekundären Meniskus- und Knorpelschäden führen. Eine VKB-Plastik schützt vor sekundären Meniskusschäden. Außerdem liegt wissenschaftliche Evidenz vor, dass eine VKB-Plastik lang...
Source: Sports Orthopaedics and Traumatology - Category: Sports Medicine Source Type: research
OBJECTIVE: Anterior cruciate ligament (ACL) injury initiates a cascade of events often leading to osteoarthritis. ACL reconstruction does not alter the course of osteoarthritis, suggesting that heightened osteoarthritis risk is likely due to factors in add...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Economics of Injury and Safety, PTSD, Injury Outcomes Source Type: news
In this study, we evaluated the form of the MM posterior segment and anterior tibial translation before and after ACL reconstruction using open magnetic resonance imaging (MRI).MethodsSeventeen patients who underwent ACL reconstructions without MM injuries were included in this study. MM deformation was evaluated using open MRI before surgery and 3  months after surgery. We measured medial meniscal length (MML), medial meniscal height (MMH), medial meniscal posterior body width (MPBW), MM–femoral condyle contact width (M-FCW) and posterior tibiofemoral distance (PTFD) at knee flexion angles of 10° and 90°...
Source: Knee Surgery, Sports Traumatology, Arthroscopy - Category: Orthopaedics Source Type: research
OBJECTIVE: Whether surgical or conservative treatment is more effective in allowing patients to return to physical activity after anterior cruciate ligament (ACL) injury is controversial. We sought to compare mid-term outcome measures between isolated ACL ...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Economics of Injury and Safety, PTSD, Injury Outcomes Source Type: news
BACKGROUND: Outcomes after anterior cruciate ligament reconstruction (ACLR) are highly variable. Previous studies have failed to report the relationship between fear, objective measures of function, and reinjury rates. The purpose of this study was to dete...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Economics of Injury and Safety, PTSD, Injury Outcomes Source Type: news
BACKGROUND: Physicians counseling athletes on the prognosis of sport-specific performance outcomes after anterior cruciate ligament reconstruction (ACLR) depend on the published literature. However, critical appraisal of the validity and biases in these st...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Economics of Injury and Safety, PTSD, Injury Outcomes Source Type: news
More News: ACL Reconstruction | Post Traumatic Stress Disorder | Radiology